EJB Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

EJB Interview Questions

Questions Answers Views Company eMail

Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?

1046

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

928

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

936

How do I use a less than or greater than on a message selector in ejb-jar.xml?

909

Match the ejb functions given below with the functionality equivalent in sql?

905

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

934

Which is the only method defined in the javax.ejb.handle interface?

1031

How does ejb invocation happens?

924

What is the procedure for the creation of stateless ejb?

920

What are the advantages of java beam?

986

Explain the important elements of ejb?

917

Explain the concept of connection pooling feature of ejb container?

908

What are the various types of entity beam?

964

What are the callback annotations for the stateless bean?

895

What do you understand by session facade?

941

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Un-Answered Questions { EJB }

What is ejb container?

1097

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

936

What is ejb ql?

986

What is activemq used for?

900

How entity beans support container managed persistence?

2389

How can one EJB be called from within another EJB?

923

What is ptp model?

932

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

934

Enlist the CallBack methods of Session Bean?

990

How does ejb invocation happens?

924

How ejb invocation happens?

985

can we stop the execution of a method before completion?

2992

can u explain about design patterns like singleton,builder,factory

2285

What are the benefits of ejb?

953

What do you mean by bean managed transaction?

978

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